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gallery-dl/scripts/pyprint.py

102 lines
2.7 KiB

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2024 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
import re
def pyprint(obj, indent=0, lmin=9, lmax=16):
if isinstance(obj, str):
if obj.startswith("lit:"):
return f'''{obj[4:]}'''
if "\\" in obj or obj.startswith("re:"):
prefix = "r"
else:
prefix = ""
if "\n" in obj:
quote = '"""'
elif '"' in obj:
obj = re.sub(r'(?<!\\)"', '\\"', obj)
quote = '"'
else:
quote = '"'
return f'''{prefix}{quote}{obj}{quote}'''
if isinstance(obj, bytes):
return f'''b"{str(obj)[2:-1]}"'''
if isinstance(obj, type):
if obj.__module__ == "builtins":
return f'''{obj.__name__}'''
name = obj.__module__.rpartition(".")[2]
if name[0].isdecimal():
name = f"_{name}"
return f'''{name}.{obj.__name__}'''
if isinstance(obj, dict):
if not obj:
return "{}"
if len(obj) >= 2 or not indent:
ws = " " * indent
lkey = max(map(len, obj))
if not indent:
if lkey < lmin:
lkey = lmin
elif lkey > lmax:
lkey = lmax
lines = []
lines.append("{")
for key, value in obj.items():
if key.startswith("#blank-"):
lines.append("")
else:
lines.append(
f'''{ws} "{key}"'''
f'''{' '*(lkey - len(key))}: '''
f'''{pyprint(value, indent+4)},'''
)
lines.append(f'''{ws}}}''')
return "\n".join(lines)
else:
key, value = obj.popitem()
return f'''{{"{key}": {pyprint(value)}}}'''
if isinstance(obj, list):
if not obj:
return "[]"
if len(obj) >= 2:
ws = " " * indent
lines = []
lines.append("[")
lines.extend(
f'''{ws} {pyprint(value, indent+4)},'''
for value in obj
)
lines.append(f'''{ws}]''')
return "\n".join(lines)
else:
return f'''[{pyprint(obj[0])}]'''
if isinstance(obj, tuple):
if len(obj) == 1:
return f'''({pyprint(obj[0], indent+4)},)'''
return f'''({", ".join(pyprint(v, indent+4) for v in obj)})'''
else:
return f'''{obj}'''